GSB is a business trivia game where players rank four companies by annual revenue from highest to lowest, using news articles and verified financial sources including SEC EDGAR, Macrotrends, corporate websites, and financial research platforms.
A collection of yes-or-no questions posed to an entity called Jev, covering topics ranging from wordplay and philosophy to politics, technology, and geography, each with associated confidence scores indicating lean direction.
Fermi Unlimited is a free browser-based estimation game where players make educated guesses about real-world quantities like tree populations or Olympic pool volumes. Players survive questions by guessing within 10 times the correct answer, with their score being the number of consecutive correct guesses, and all answers are sourced from published figures.